Light diffuser



FIG. 1 is a front, left side, and top perspective view of a lightdiffuser showing the new design;

FIG. 2 is a rear, left side, and bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view;

FIG. 6 is an enlarged front elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is an enlarged rear elevation view thereof.

The broken lines shown in the drawings illustrate portions of the lightdiffuser that form no part of the claimed design.

CLAIM The ornamental design for a light diffuser, as shown anddescribed.